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【单选题】
下面对计算机网络体系结构中协议所做的描述,错误的是
A.
网络协议的三要素是语法、语义和同步
B.
协议是控制两个对等层实体之间通信的规则的集合
C.
在OSI参考模型中，要实现第N层的协议，需要使用N+1层提供的服务
D.
协议规定了对等层实体之间所交换的信息的格式和含义
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举一反三
【单选题】From paragraph 3 we know that______from the public health system.
A.
millions of jobless people get support
B.
those with steady income do not seek help
C.
some people are made ineligible to benefit
D.
those with private health care are excluded
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【简答题】A．His neighbors are too noisy. B．He doesn't want to share a room with others. C．His house is too far away from the university. D．It's not convenient to go shopping.
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【简答题】从领导方式看,()是领导者指挥下属和鼓励下属的行为基础。
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【单选题】From paragraph 3 we can learn that ______.
A.
the 14-year-old son did not enjoy his work
B.
without money you never make education choices
C.
most Gen-Xers wanted to change their college plans
D.
most Gen-Xers did not change their college plans
查看完整题目与答案
【判断题】小学儿童心理学主要研究个体从出生到成熟这一时期心理和行为发生、发展的特点和规律。
A.
正确
B.
错误
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【单选题】下列关于商品，说法正确的有（） ①自然界中的空气、阳光不是商品 ②封建社会的农民交给地主的地租是商品 ③使用价值和价格是商品的两个基本属性 ④使用价值是商品的本质属性 ⑤有价值的东西就是商品
A.
①②③④
B.
②③④⑤
C.
①②③⑤
D.
①⑤
查看完整题目与答案
【单选题】使用价值( )是商品的两个基本属性
A.
价值
B.
被使用价值
C.
使用性
D.
价格
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【单选题】From paragraph 3 we can infer that a 'crack' may mean ______.
A.
a long ball
B.
a short ball
C.
a good ball
D.
a mishit ball
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【单选题】心电图机中的工频电滤波器实际上是()
A.
低通滤波器
B.
高通滤波器
C.
带阻滤波器
D.
带通滤波器
查看完整题目与答案
【单选题】From Paragraph 3 we know that ______from the public health system.
A.
millions of jobless people get support
B.
those with steady income do not seek help
C.
some people are made ineligible to benefit
D.
those with private health care are excluded
查看完整题目与答案
相关题目：
【单选题】From paragraph 3 we know that______from the public health system.
A.
millions of jobless people get support
B.
those with steady income do not seek help
C.
some people are made ineligible to benefit
D.
those with private health care are excluded
查看完整题目与答案
【简答题】A．His neighbors are too noisy. B．He doesn't want to share a room with others. C．His house is too far away from the university. D．It's not convenient to go shopping.
查看完整题目与答案
【简答题】从领导方式看,()是领导者指挥下属和鼓励下属的行为基础。
查看完整题目与答案
【单选题】From paragraph 3 we can learn that ______.
A.
the 14-year-old son did not enjoy his work
B.
without money you never make education choices
C.
most Gen-Xers wanted to change their college plans
D.
most Gen-Xers did not change their college plans
查看完整题目与答案
【判断题】小学儿童心理学主要研究个体从出生到成熟这一时期心理和行为发生、发展的特点和规律。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列关于商品，说法正确的有（） ①自然界中的空气、阳光不是商品 ②封建社会的农民交给地主的地租是商品 ③使用价值和价格是商品的两个基本属性 ④使用价值是商品的本质属性 ⑤有价值的东西就是商品
A.
①②③④
B.
②③④⑤
C.
①②③⑤
D.
①⑤
查看完整题目与答案
【单选题】使用价值( )是商品的两个基本属性
A.
价值
B.
被使用价值
C.
使用性
D.
价格
查看完整题目与答案
【单选题】From paragraph 3 we can infer that a 'crack' may mean ______.
A.
a long ball
B.
a short ball
C.
a good ball
D.
a mishit ball
查看完整题目与答案
【单选题】心电图机中的工频电滤波器实际上是()
A.
低通滤波器
B.
高通滤波器
C.
带阻滤波器
D.
带通滤波器
查看完整题目与答案
【单选题】From Paragraph 3 we know that ______from the public health system.
A.
millions of jobless people get support
B.
those with steady income do not seek help
C.
some people are made ineligible to benefit
D.
those with private health care are excluded
查看完整题目与答案